diff --git a/internal/data/wx.go b/internal/data/wx.go
index 0c8ce17..fb9df64 100644
--- a/internal/data/wx.go
+++ b/internal/data/wx.go
@@ -59,9 +59,9 @@ func buildWx(wx *conf.Wechat) (*marketing.Marketing, error) {
 	cc, err := utils2.CreateMchConfig(
 		wx.MchID,                      // 商户号，是由微信支付系统生成并分配给每个商户的唯一标识符，商户号获取方式参考 https://pay.weixin.qq.com/doc/v3/merchant/4013070756
 		wx.MchCertificateSerialNumber, // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013053053
-		fmt.Sprintf("%s/%s", filePath, "apiclient_key.pem"), // 商户API证书私钥文件路径，本地文件路径
-		wx.WechatPayPublicKeyID,                             // 微信支付公钥ID，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013038816
-		fmt.Sprintf("%s/%s", filePath, "pub_key.pem"),       // 微信支付公钥文件路径，本地文件路径
+		fmt.Sprintf("%s/%s", filePath, "wechat_private_key.pem"), // 商户API证书私钥文件路径，本地文件路径
+		wx.WechatPayPublicKeyID,                                  // 微信支付公钥ID，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013038816
+		fmt.Sprintf("%s/%s", filePath, "pub_key.pem"),            // 微信支付公钥文件路径，本地文件路径
 	)
 	if err != nil {
 		return nil, err
diff --git a/test/bank_multi_activity.go b/test/bank_multi_activity.go
new file mode 100644
index 0000000..6697abf
--- /dev/null
+++ b/test/bank_multi_activity.go
@@ -0,0 +1,81 @@
+package test
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	marketing2 "voucher/internal/pkg/wechat/srv/marketing"
+	"voucher/internal/pkg/wechat/utils"
+)
+
+func marketing() *marketing2.Marketing {
+
+	dir, err := os.Getwd()
+	if err != nil {
+		panic(err)
+	}
+
+	parentDir := filepath.Dir(dir)
+
+	//openssl x509 -in xxx.pem -noout -serial
+
+	mchId := "1710953361"
+	wechatPayPublicKeyId := "PUB_KEY_ID_0117109533612025031800326400002563"
+	certificateSerialNo := "6006B8208815DB5EAC5BF2E783CB9D34082C3772"
+
+	//mchId := "1652465541"
+	//wechatPayPublicKeyId := ""
+	//certificateSerialNo := "1E3F2CE013203BA9C3DEFC5782FCD3329C3DAC1C"
+
+	filePath := fmt.Sprintf("%s/cert/wechat/%s", parentDir, mchId)
+
+	c, err := utils.CreateMchConfig(
+		mchId,               // 商户号，是由微信支付系统生成并分配给每个商户的唯一标识符，商户号获取方式参考 https://pay.weixin.qq.com/doc/v3/merchant/4013070756
+		certificateSerialNo, // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013053053
+		fmt.Sprintf("%s/%s", filePath, "wechat_private_key.pem"), // 商户API证书私钥文件路径，本地文件路径
+		wechatPayPublicKeyId,                          // 微信支付公钥ID，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013038816
+		fmt.Sprintf("%s/%s", filePath, "pub_key.pem"), // 微信支付公钥文件路径，本地文件路径
+	)
+	if err != nil {
+		panic(err)
+	}
+
+	return &marketing2.Marketing{MchConfig: c}
+}
+
+func MarketingSend() {
+
+	openId := "oSNb4ftgnWC22Z0cWTjsQebdr2Yk"
+	appId := "wx619991cc795028f5"
+	request := &marketing2.SendReq{
+		ActivityId:        utils.String("11941580000000004"),
+		StockId:           utils.String("20811630"),
+		OutRequestNo:      utils.String("20250801000000001"),
+		Appid:             utils.String(appId),
+		StockCreatorMchId: utils.String("1652465541"),
+	}
+
+	response, err := marketing().Send(openId, request)
+	if err != nil {
+		fmt.Printf("请求失败: %+v\n", err)
+		return
+	}
+
+	fmt.Printf("请求成功: %+v\n", response)
+	fmt.Printf("请求成功: %s\n", *response.CouponId)
+}
+
+func MarketingQuery() {
+
+	appId := "wx619991cc795028f5"
+	openId := "oSNb4ftgnWC22Z0cWTjsQebdr2Yk"
+	couponId := "113831004454"
+
+	response, err := marketing().Query(appId, openId, couponId)
+	if err != nil {
+		fmt.Print(err)
+		return
+	}
+
+	fmt.Printf("请求成功: %+v\n", response)
+}
diff --git a/test/bank_multi_activity_test.go b/test/bank_multi_activity_test.go
new file mode 100644
index 0000000..907c1bf
--- /dev/null
+++ b/test/bank_multi_activity_test.go
@@ -0,0 +1,18 @@
+package test
+
+import "testing"
+
+func TestMarketingSend(t *testing.T) {
+	tests := []struct {
+		name string
+	}{
+		{
+			name: "给指定用户报名多笔立减活动",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			MarketingSend()
+		})
+	}
+}